Air cleaner filter



FIG. 1 is a front-right elevated view of an air cleaner filter according to the new design;

FIG. 2 is a front-right depressed view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a right-side plan view thereof;

FIG. 6 is a left-side plan view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

All broken lines shown in the drawings depict portions of the air cleaner filter that form no part of the claimed design. 

CLAIM The ornamental design for an air cleaner filter, as shown and described. 